#include <bits/stdc++.h>
using namespace std;
int n,a[100010],x;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>x;
        a[x]++;
    }
    int ans=0;
    for(int i=1;i<=100000;i++){
       if(a[i]>0)ans=max(ans,a[i]);
    }
    cout<<ans;
}
